A train running at 25 km/hr takes 36 seconds to pass a platform. Next, it takes 14 seconds to pass a man walking at 7 km/hr in the same direction. Find the length of the platform.
Which of the following statement is not true?
Which of the following statement is true for NRR?
Residual method is used to measure -
The most appropriate measure to compare the consistency of two series is -
The most appropriate diagram to represent data relative to monthly expenditure on different items of a family is -
The main aim of agricultural census is -
The Drobish-Bowley price index formula is the -
A population is said to be stationary, if -
Which of the following methods to measure seasonal variations comparatively utilizes the given data less?
Laspeyre's formula has ___________ bias and Paasche's formula has _________ bias.